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Diagnostic Trouble Code: B013B
Diagnostic Trouble Code Name: Coil Compressor Stroke Control Circuit
Vehicle Make: Chevrolet
Vehicle Model: Lumina (VE)
Diagnostic Code Entered By: ZerOne
Diagnostic Code Entered On: Wed Oct 06, 2010 11:00 pm
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Please Note: The DTC Information provided has been randomly generated.
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Diagnostic Trouble Code Description:
CAN-Bus No Communication with SIM (Seat Interface Module)
Possible Sensor Faults
Seat Interface Module
Possible Related Diagnostic Trouble Codes
DTC U1304
Circuit / System Description
Modules connected to the high and low speed GMLAN serial data circuits monitor for serial data communications during normal vehicle operation. Operating information and commands are exchanged among the modules. The modules have prerecorded information about what messages are needed to be exchanged on the serial data circuits, for each virtual network. The messages are supervised and also, some periodic messages are used by the receiver module as an availability indication of the transmitter module. Each message contains the identification number of the transmitter module.
The seat interface module (SIM) acts as a gateway module between the GMLAN and UART data communication systems. The SIM receives information such as the driver ID from the BCM via the GMLAN, the SIM then processes the data and transmits to the memory seat module (MSM) via a UART data connection.
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